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You
will
find information on using lens
in
this manual. Notes on use can
be found in "Precautions before using" on a separate sheet.
Be
sure to
read both documents before using the lens.
This lens is designed for
Sonya
cameras.
Notesonuse
• When you carry the camera with the lens attached. make sure to hold both the
camera and the lens steadily.
• Do not hold
by
the part of the lens that protrudes when zooming.
Precautions for flash use
• When using a
built~in
camera flash. make sure to remove the lens hood and
shoot from at least 1m (3.3 feet) away from
yOUf
subject. With certain ofleosl
flash combinations. the lens may partially block the light of the flash. resulting in
a shadow at the bottom of the picture.
Vignetting
• When you use lens. the corners of the screen betomedarker than the center. To
reduce this phenomena (called vignetting), dose the aperture
by
I to 2 stops.
m
Names of parts
I
Focusing ring
2 Zoom ring
3 Zoom lock switch 4 Lens contacts
5
Lens
hood index
6 Distance scale
7 Distance index
8 Focal-length scale 9... Focal-length index
IO
Focusing mode switch
11 ... Mounting index
I!J
Attaching/detaching the lens
To attach the lens (See illustration
I!J-[j].)
1
Remove the rear and front lens caps and the camera body
cap.
• You can attach/detach the front lens cap in two ways, (1) and (2). When
you attach/detach the lens cap
with
the lens hood attached, use method (2).
2
Align the orange index on the lens barrel with the orange
index on the camera (mounting index), then insert the lens
into the camera mount and rotate it clockwise until it locks.
• Do not press the lens release button on the camera when mounting the lens.
• Do not mount the lens at an angle.
To remove the lens (See illustration
1!J-[2],)
While pressing and holding the lens release button on the camera,
rotate the lens counterclockwise until it stops, then detach the lens.
[!l
Attaching lens hood
It
is recommended that you use a lens hood to reduce flare and ensure
maximum image quality.
Align the red line on the lens hood with the red line on the lens (Lens
hood index). Turn the hood clockwise until the red line on the lens
meets the red dot on the hood and it clicks into place.
• When using a built-in camera flash. make sure to remove the lens hood to avoid
blockage of the fl ash light
• Attach the lens hood properly. Otherwise, the lens hood may interfere with the
desired effect or may appear in pictures.
• When storing, turn over the lens hood and place it onto the lens backwards.
I!lZooming
Rotate the zooming ring to the desired focal length.
Zoom Ioc:k
This prevents the lens barrel from extending due to the weight of the lens
while it is carried.
Slide the worn lock switch to lock. To unlock, slide the zoom lock switch
back.
1511
Focusing
When using auto focus, the camera adjusts the focus automatically.
• While the camera
is
focusing automatically, do not touch the rotating focusing
ring.
• The camera's direct manual focus function cannot be used with this lens. (Some
cameras do not have the direct manual focus function. If your camera has this
function. this restriction is explained in the section on focusing. in your camera's
instruction manual.)
• You cannot switch between
AF/MF
mode with the AF/MF button on the
camera. (Depending on the camera. the
AF/MF
button may not exist. If your
camera has this function. this restriction is explained in the section on focusing,
in your camera's instruction manual.)
In MF (Manual Focus) mode, rotate the focusing ring while looking through
the viewfinder to focus. (See illustration
(I.)
• The focus signal in the viewfinder indicates the current degree of focusing.
To switch AF (Auto Focus)/MF (Manual Focus) mode
You can switch between AF (automatic focus) and MF (manual focus) with
the focusing mode switch on the lens. Make sure to set the focusing mode
switch (lever) on the camera to AF.
• Make sure to set the focusing mode switch to MF for manual focus. Do not
rotate the focusing ring without setting to MF. Rotating the focusing ring
forcibly without switching to MF may damage the focusing ring.
• For Lens model 28-75mm F2.8 SAM. the focusing ring rotates the opposite way
than on standard
a
lenses.
To shoot a subject at infinite distance in MF mode
The infinity position prOvides for some adjustment to compensate for focus
shift caused by change in temperature. To shoot a subject at infinite distance
in MF mode, use the viewfinder and set focus.
~tettt.
Specifications
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I
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(mm)
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(til: mm)
. . (til:
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(mm)
(m)
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Name
Eq~~r~:~tf~~m.
Minimum
Maximum
Dimensions
Mass
Lens groups-
Angle of
Angle of
focus~J
magnification
Minimum
Filter diameter
(maximum diameter
I
(approx., g
(Model name)
length,.1 (mm)
elements
view
1~2
view
2,.2
1m
(!ee.))
IX)
f-stop
(mm)
x height)
(Oz.))
(approx., mm (in.))
28·75mm
0.38
77.5x94
I
565
F2.8 SAM
42-112.5
14-16
75'·32'
54°_21°
11.3)
0.22
032
67
131/8
x3 3/4)
(20)
ISAL2875)
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.1
The values for equivalent 35mm-format focal length is based on Digital Single Lens Reflex Cameras equipped with an APS-C sized image sensor.
.2
The value of angle ofview 1 is based on 35mm-format cameras, and that of angle ofview 2 is based on Digital Single Lens Reflex Cameras eqUipped with an APS-C sized
image sensor.
~3
Minimum focus is the shortest distance from the image sensor to the subject.
• This lens is equipped with a distance encoder. The distance encoder allows more accurate measurement (ADI)
by
using a flash for ADI.
• Depending on the lens mechanism•.the focal length may change with any change of the shooting distance. The focal length assumes the lens
is
focused at infinity.
Included items
Lens (I). Front lens cap (I), Rear lens cap (1). Lens hood (I). Set of printed documentation
Design and specifications are subject to change without notice.
a
is a trademark of Sony Corporation.
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